Regenerator wall block



FIGS. 1-8 show a first embodiment of our new and original design forregenerator wall block, wherein

FIG. 1 is a front perspective view thereof;

FIG. 2 is a rear perspective view thereof;

FIGS. 3 and 4 are left and right side elevational views thereof,respectively;

FIGS. 5 and 6 are top and bottom plan views thereof, respectively; and

FIGS. 7 and 8 are front and rear elevational views thereof,respectively, and wherein

FIGS. 9-16 show a second embodiment of our new and original design forregenerator wall block, wherein

FIG. 9 is a front perspective view thereof;

FIG. 10 is a rear perspective view thereof;

FIGS. 11 and 12 are left and right side elevational views thereof,respectively;

FIGS. 13 and 14 are top and bottom plan views thereof, respectively; and

FIGS. 15 and 16 are front and rear elevational views thereof,respectively, and wherein

FIGS. 17-24 show a third embodiment of our new and original design forregenerator wall block, wherein

FIG. 17 is a front perspective view thereof;

FIG. 18 is a rear perspective view thereof;

FIGS. 19 and 20 are left and right side elevational views thereof,respectively;

FIGS. 21 and 22 are top and bottom plan views thereof, respectively; and

FIGS. 23 and 24 are front and rear elevational views thereof,respectively, and wherein

FIGS. 25-32 show a fourth embodiment of our new and original design forregenerator wall block, wherein

FIG. 25 is a front perspective view thereof;

FIG. 26 is a rear perspective view thereof;

FIGS. 27 and 28 are left and right side elevational views thereof,respectively;

FIGS. 29 and 30 are top and bottom plan views thereof, respectively;and,

FIGS. 31 and 32 are front and rear elevational views thereof,respectively.

The broken lines in the FIGURES represent structures in the environmentof the claimed design which do not form any part of the claimed design.

CLAIM The ornamental designs for “regenerator wall block”, as shown and described. 